Finding the Fourth Proportional to 31,094.50, 42,910.50 and 16,947.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.50 : 42,910.50 = 16,947.04 : x
2. Step 2: Convert to fraction form
   31,094.50/42,910.50 = 16,947.04/x
3. Step 3: Cross multiply
   31,094.50x = 42,910.50 × 16,947.04
4. Step 4: Simplify right side
   31,094.50x = 727,205,959.92
5. Step 5: Solve for x
   x = 727,205,959.92/31,094.50
6. Step 6: Final answer
   x = 23,386.96